diff options
| author |   Enrico Weigelt <info@metux.net> | 2019-06-17 18:45:05 +0200 |
|---|---|---|
| committer |   Linus Walleij <linus.walleij@linaro.org> | 2019-06-27 15:56:50 +0100 |
| commit | f310f2eff794f96b4ea87be7f5938e57c34a64f1 (patch) | |
| tree | d45894a152f8d27c0c023972ac40d25c4e26cf6b /include/linux/gpio/driver.h | |
| parent | gpio: amd: Drop unused pdev pointer in privata data (diff) | |
| download | linux-dev-f310f2eff794f96b4ea87be7f5938e57c34a64f1.tar.xz linux-dev-f310f2eff794f96b4ea87be7f5938e57c34a64f1.zip | |
gpio: Add comments on #if/#else/#endif
Improve readability a bit by commenting #if/#else/#endif statements
with the checked preprocessor symbols.
Signed-off-by: Enrico Weigelt <info@metux.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'include/linux/gpio/driver.h')
| -rw-r--r-- | include/linux/gpio/driver.h | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index 02698c0f34ea..5d325fd29d6b 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -161,7 +161,7 @@ struct gpio_irq_chip { */ void (*irq_disable)(struct irq_data *data); }; -#endif +#endif /* CONFIG_GPIOLIB_IRQCHIP */ /** * struct gpio_chip - abstract a GPIO controller @@ -301,7 +301,7 @@ struct gpio_chip { spinlock_t bgpio_lock; unsigned long bgpio_data; unsigned long bgpio_dir; -#endif +#endif /* CONFIG_GPIO_GENERIC */ #ifdef CONFIG_GPIOLIB_IRQCHIP /* @@ -316,7 +316,7 @@ struct gpio_chip { * used to handle IRQs for most practical cases. */ struct gpio_irq_chip irq; -#endif +#endif /* CONFIG_GPIOLIB_IRQCHIP */ /** * @need_valid_mask: @@ -363,7 +363,7 @@ struct gpio_chip { */ int (*of_xlate)(struct gpio_chip *gc, const struct of_phandle_args *gpiospec, u32 *flags); -#endif +#endif /* CONFIG_OF_GPIO */ }; extern const char *gpiochip_is_requested(struct gpio_chip *chip, @@ -406,7 +406,7 @@ extern int gpiochip_add_data_with_key(struct gpio_chip *chip, void *data, }) #else #define gpiochip_add_data(chip, data) gpiochip_add_data_with_key(chip, data, NULL, NULL) -#endif +#endif /* CONFIG_LOCKDEP */ static inline int gpiochip_add(struct gpio_chip *chip) { @@ -461,7 +461,7 @@ int bgpio_init(struct gpio_chip *gc, struct device *dev, #define BGPIOF_READ_OUTPUT_REG_SET BIT(4) /* reg_set stores output value */ #define BGPIOF_NO_OUTPUT BIT(5) /* only input */ -#endif +#endif /* CONFIG_GPIO_GENERIC */ #ifdef CONFIG_GPIOLIB_IRQCHIP @@ -531,7 +531,7 @@ static inline int gpiochip_irqchip_add_nested(struct gpio_chip *gpiochip, handler, type, true, &lock_key, &request_key); } -#else +#else /* ! CONFIG_LOCKDEP */ static inline int gpiochip_irqchip_add(struct gpio_chip *gpiochip, struct irq_chip *irqchip, unsigned int first_irq, @@ -582,7 +582,7 @@ int gpiochip_add_pingroup_range(struct gpio_chip *chip, unsigned int gpio_offset, const char *pin_group); void gpiochip_remove_pin_ranges(struct gpio_chip *chip); -#else +#else /* ! CONFIG_PINCTRL */ static inline int gpiochip_add_pin_range(struct gpio_chip *chip, const char *pinctl_name, |